A.1 Kinematics Quiz
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5 questions, one answer each
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1. A car travels 3.0 km north then 4.0 km east. What is the magnitude of its displacement?
- A. 7.0 km
- B. 5.0 km
- C. 1.0 km
- D. 12 km
2. Which quantity is given by the gradient of a velocity–time graph?
- A. Displacement
- B. Distance
- C. Acceleration
- D. Speed
3. A ball is dropped from rest. Ignoring air resistance, how far does it fall in 2.0 s? (g = 9.81 m s⁻²)
- A. 9.8 m
- B. 19.6 m
- C. 39.2 m
- D. 4.9 m
4. A projectile is launched on level ground with no air resistance. Which quantity is constant throughout the flight?
- A. Speed
- B. Vertical velocity
- C. Horizontal velocity
- D. Height
5. What is the resultant force on a skydiver falling at terminal speed?
- A. Equal to her weight
- B. Equal to the drag
- C. Zero
- D. Twice her weight